What if HSM data block is full in MPC57xx?

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What if HSM data block is full in MPC57xx?

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boyeonkim
Contributor I

I'm working with MPC5746C with 1.0.5 secure firmware on it.

The new generated bootmac key is written in HSM data block when reprogramming is done.

Then what if HSM data block0, block1 are full of generated keys so far and no more enough space to write on it?

Does the HSM data is also configured as EEPROM emulation area by HSM code? or the board is no longer reprogrammable? 

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petervlna
NXP TechSupport
NXP TechSupport

Hello,

Then what if HSM data block0, block1 are full of generated keys so far and no more enough space to write on it?

The HSM will start overwriting the slots from the start.

regards,

Peter